A New Cotton Variety-- Guoxin Mian 8
Guoxin Mian No. 8 (approval No.: Guoshimian 2007007)
Breeding units: Hejian Guoxin Rural Technical Service Association, Institute of Biotechnology, Chinese Academy of Agricultural Sciences, Beijing Guoxin Kechuang Biotechnology Co., Ltd.
Characteristics: the first generation of early-maturing hybrid varieties transferred with insect-resistant genes, and the growth period of spring sowing in the Yellow River basin was 123 days. The plant shape is loose, the plant height is 105 cm, the number of bolls per plant is 17.2, the weight of single boll is 6.0 grams, the lint percentage is 39.75%, the seed finger is 10.9 grams, and the flowering rate before frost is 92.2%. Resistant to Fusarium wilt, Verticillium wilt and cotton bollworm.
Yield performance: participated in the regional trial of hybrid spring cotton group in the Yellow River Basin in 2005, the average yield per mu of seed cotton, lint and pre-frost lint was 250.5 kg, 102.8 kg and 95.9 kg, respectively, which was 18.1%, 22.8% and 22.2% higher than that of Zhongmiansuo 41, respectively. In 2006, the average yield per mu of seed cotton, lint and pre-frost lint was 253.6 kg, 97.5kg and 88.8kg respectively, an increase of 11.6%, 5.9% and 1.8% over the control, respectively. In the production test in 2006, the yield of seed cotton, lint cotton and pre-frost lint per mu was 238.3 kg, 91.8kg and 86.0kg respectively, which increased by 2.5% and decreased by 3.2% and 6.4% respectively compared with the control.
Approval opinion: the genetically modified organism of this variety is named sGKz46 (Guoxinmian 8). It is suitable for spring sowing in the cotton areas of the Yellow River valley in southeastern, southern and central Hebei, northern Shandong, northern and central Henan.
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A New Cotton Variety-Jifeng 106
The new cotton variety "Jifeng 106" selected by Cotton Research Institute of Hebei Academy of Agricultural and Forestry Sciences (postcode: 050051, telephone: 0311-87652070) passed the variety approval of Hebei Province not long ago. This variety has large bolls, oval shape, open bolls, fat and easy to pick, and good fiber quality. High resistance to Fusarium wilt, Verticillium wilt, cotton bollworm, drought and salt tolerance, wide adaptability, good early maturity, high pre-frost flowering rate, easy to manage. The growth period is 130 days, there are 16 bolls per plant, the single boll weight is 6.2 grams and the lint percentage is 4.
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A New Cotton Variety-E Kangmian 8
The plant height is about 130cm, the branches and leaves are sparse, the leaves are medium and large, the color is light, the hairs are less, the stems are medium and less hairy, the bolls are oval, the single boll weight is 5.5g, the lint percentage of the small sample is 39.13%, the lint percentage of the large sample is 38.55%, the lint index is 7.06g, and the seed index is 10.9g. Smooth catkins, high resistance to Fusarium wilt and Verticillium wilt. 2.5% span 31.9mm, specific strength 22.19g/tex, micronaire value 4.4. The general lint yield per unit area is about 79.2kg/ mu. Suitable for Hubei Province to wither
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